{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process characterization", "enabling technology", "manufacturing standard", "machine or equipment", "engineering feature", "process parameter"], "input": "This method can be called densification FGMThe directionality , magnitude and density concentration of the material substance in a monolithic anisotropic composite structure contributes to functional deviations such as stiffness and elasticity ."}
{"process characterization": [], "enabling technology": ["density concentration"], "manufacturing standard": [], "machine or equipment": [], "engineering feature": [], "process parameter": ["magnitude"]}